Sieve for building
By designing a construction screen that blocks the outer shell and guide plate, the dust problem caused by sand lifting and the mixed problem of gravel and sand during use is solved, and a more efficient and safer screening process is achieved.
Patent Information
- Application Number
- CN202421078973.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-17
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-05-17
AI Technical Summary
When used, the existing drum screens are too large to raise the sand, resulting in a large amount of dust that adversely affects the construction personnel. Moreover, sand and gravel are likely to be mixed again after screening, affecting the screening effect.
A construction screen is designed, and its outer shell can block the top and both sides of the drum screen. Through the guidance of guide plate one and guide plate two, the situation of gravel and sand being mixed again can be reduced.
It effectively avoids dust problems caused by the rise of sand, protects the health of construction workers, and through the design of guide plates, the remix of gravel and sand is reduced, and the screening efficiency and effect are improved.
Smart Images
Figure CN222519094U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of building construction, and in particular relates to a sieve for construction. Background Art
[0002] Sand is often needed in construction, and sand is mixed with a lot of gravel. In order to ensure that the sand can be used normally, it is necessary to screen out the gravel in the sand. There are many types of existing screens, such as plane vibrating screens and drum screens. Among them, the drum screen can screen sand and gravel with great efficiency through centrifugal force and increasing the movement range of sand when in use, and the screened gravel can be directly exported, which is conducive to continuous screening. However, since the existing drum screen is generally in an open state without any cover, and the rolling amplitude of the sand is large, a large amount of dust will be generated around the screen during the screening process, which is easy to have adverse effects on the health of the construction workers, and the falling range of the sand will also be expanded, and some sand will still fall together with the screened gravel, affecting the screening effect. Utility Model Content
[0003] The utility model provides a sieve for construction, which has the characteristics of being able to shield the top and both sides of the drum screen through an outer shell, so as to avoid the situation in which a large amount of dust is generated due to excessive lifting of sand during screening, which has an adverse effect on the work and health of construction workers. At the same time, the guidance of the guide plate one and the guide plate two can reduce the situation in which gravel and sand are mixed again.
[0004] The utility model provides the following technical solution: it includes an outer shell and a driving motor, and is characterized in that: the outer shell is in an inclined state, and a feed port is provided at the top of the outer shell, and a discharge port is provided at the bottom of the outer shell, and the inner cavity of the outer shell is rotatably connected to a drum screen through the driving motor, and the drum screen is parallel to the outer shell, a guide plate 1 is provided at the bottom of the outer shell, and a guide plate 2 is provided at one end of the outer shell, and the guide plate 2 corresponds to the position of one end of the drum screen.
[0005] Wherein, connecting rods are provided on both sides of the outer shell, and supporting columns are provided at both ends of the connecting rods, and the lengths of the supporting columns located at the two ends of the connecting rods are different.
[0006] Wherein, a support block and a limit guide block are provided on the inner wall of one end of the outer shell, and the drum screen is slidably connected between the support block and the limit guide block.
[0007] The central axes of the drum screen and the outer shell are at different positions, the top of the drum screen contacts the top of the inner cavity of the outer shell, and there are gaps between the bottom and both sides of the drum screen and the outer shell.
[0008] The driving motor is fixedly connected to one end of the outer shell, a connecting plate is provided on the inner side of one end of the drum screen, a connecting groove is provided on the connecting plate, and the driving motor is fixedly connected to the connecting groove.
[0009] The beneficial effects of the utility model are as follows: the materials can be fully screened by the rolling of the drum screen, which is beneficial to ensuring the working efficiency of screening sand and gravel, and the top and both sides of the drum screen can be shielded by the outer shell to avoid the situation in which a large amount of dust is generated due to excessive sand lifting during screening, which has an adverse effect on the work and health of construction workers. At the same time, the guidance of the guide plates one and two can reduce the re-mixing of gravel and sand.
[0010] The parts not involved in the device are the same as those in the prior art or can be implemented by using the prior art. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0012] Figure 2 It is a structural schematic diagram of the outer shell in the utility model;
[0013] Figure 3 It is a schematic diagram of the structure of the utility model;
[0014] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model;
[0015] In the figure: 1. outer shell; 11. feed port; 12. discharge port; 13. guide plate 1; 14. drive motor; 15. support block; 16. limit guide block; 17. guide plate 2; 18. connecting rod; 19. supporting column; 2. drum screen; 21. connecting plate; 22. connecting groove. DETAILED DESCRIPTION
[0016] See also Figure 1-Figure 4 The utility model provides the following technical solution: it includes an outer shell 1 and a driving motor 14, and is characterized in that: the outer shell 1 is in an inclined state, and a feed port 11 is provided at the top of the outer shell 1, and a discharge port 12 is provided at the bottom of the outer shell 1. The inner cavity of the outer shell 1 is rotatably connected to a drum screen 2 through the driving motor 14, and the drum screen 2 is parallel to the outer shell 1. A guide plate 13 is provided at the bottom of the outer shell 1, and a guide plate 2 17 is provided at one end of the outer shell 1, and the guide plate 2 17 corresponds to the position of one end of the drum screen 2.
[0017] In this embodiment: it includes an outer shell 1 and a driving motor 14, the outer shell 1 is cylindrical, and one end side plate of the outer shell 1 is in an inclined state, the outer shell 1 is in an inclined state, when the material enters from the higher end of the outer shell 1, it can move to the lower end of the outer shell 1, and the lower end of the outer shell 1 is in a semi-open state, so that the screened stones can be discharged from the lower end of the outer shell 1, and a feed port 11 is opened at the top of the outer shell 1, and the feed port 11 is located at the higher end of the outer shell 1, and the material can be put into the inner part of the outer shell 1 through the feed port 11, and a discharge port 12 is opened at the bottom of the outer shell 1, and the bottom of the outer shell 1 is opened through the discharge port 12, so that the screening The sand after the material is removed can directly fall to the bottom of the outer shell 1 through the discharge port 12. The inner cavity of the outer shell 1 is connected to the drum screen 2 through the rotation of the drive motor 14. Both ends of the drum screen 2 are in an open state. Through the connection between the drive motor 14 and the drum screen 2, the drive motor 14 can directly control the drum screen 2 to roll inside the outer shell 1. The bottom of one end of the drum screen 2 is in contact with the side plate at the higher end of the outer shell 1, and the bottom of one end of the drum screen 2 has a vertical overlap with the position of the feed port 11. Therefore, when the material enters the interior of the outer shell 1 from the position of the feed port 11, it follows the guidance of the side plate of the outer shell 1 and the reception of the material by the corresponding parts of the outer shell 1 and the feed port 11, which will cause the material to enter the drum screen from one end of the drum screen 2. 2, and then the drum screen 2 is rolled by the driving motor 14, so that the material inside the drum screen 2 can be fully screened. The drum screen 2 is parallel to the outer shell 1, and the drum screen 2 and the outer shell 1 have the same inclination angle. Therefore, when the drum screen 2 screens the material, the sand in the material will fall downward through the mesh of the drum screen 2, and the gravel will fall downward from the lower end of the drum screen 2 as the drum screen 2 rolls and the inclination angle of the drum screen 2. A guide plate 13 is provided at the bottom of the outer shell 1, and the sand can be guided by the guide plate 13 to fall on one side of the bottom of the outer shell 1, which is beneficial to separate the sand and gravel from each other, and can also shorten the distance from the ground when the sand falls to the ground, thereby facilitating reducing Less dust, and a guide plate 2 17 is provided at one end of the outer shell 1, the guide plate 2 17 corresponds to one end of the drum screen 2, the guide plate 2 17 is fixedly connected to the outer shell 1, and the guide plate 2 17 is in an inclined state, and the stones can be guided by the guide plate 2 17, so that there is a certain distance between the falling position of the stones and the outer shell 1, and the situation that the stones and sand are mixed again is reduced, and the materials can be fully screened by the rolling of the drum screen 2, which is conducive to ensuring the working efficiency of screening sand and stones, and the top and both sides of the drum screen 2 can be shielded by the outer shell 1, so as to avoid the situation that a large amount of dust is generated due to the excessive lifting amplitude of the sand during screening, which has an adverse effect on the work and health of the construction workers, and at the same time,The guidance of the guide plate 1 13 and the guide plate 2 17 can reduce the situation where stones and sand are mixed again.
[0018] Connecting rods 18 are provided on both sides of the outer shell 1, and supporting columns 19 are provided at both ends of the connecting rod 18. The lengths of the supporting columns 19 at both ends of the connecting rod 18 are different; the connecting rod 18 is fixedly connected to the outer shell 1, and the connecting rod 18 is parallel to the outer shell 1, and the supporting columns 19 are fixedly connected to the connecting rod 18, and the connecting rod 18 and the outer shell 1 can be supported by the two supporting columns 19.
[0019] A support block 15 and a limiting guide block 16 are provided on the inner wall of one end of the outer shell 1, and the drum screen 2 is slidably connected between the support block 15 and the limiting guide block 16; the drum screen 2 can be supported and limited by the support block 15 and the limiting guide block 16 to prevent the drum screen 2 from shifting during the rolling process.
[0020] The central axis positions of the drum screen 2 and the outer shell 1 are different, and the top of the drum screen 2 is in contact with the top of the inner cavity of the outer shell 1, and there are gaps between the bottom and both sides of the drum screen 2 and the outer shell 1; through the positional relationship between the drum screen 2 and the outer shell 1, it is possible to avoid the situation where sand diffuses outward from the top of the drum screen 2 during the screening process.
[0021] The driving motor 14 is fixedly connected to one end of the outer shell 1, and a connecting plate 21 is provided on the inner side of one end of the drum screen 2. A connecting groove 22 is provided on the connecting plate 21, and the driving motor 14 is fixedly connected to the connecting groove 22; through the connection between the driving motor 14 and the connecting groove 22, the driving motor 14 can control the drum screen 2, so that the drum screen 2 rolls inside the outer shell 1.
[0022] The working principle and use process of the utility model are as follows: when in use, the material is first put into the interior of the outer shell 1 from the position of the feed port 11. Through the guidance of the side plate of the outer shell 1 and the reception of the material by the corresponding part of the outer shell 1 and the feed port 11, the material will enter the interior of the drum screen 2 from one end of the drum screen 2. Then, the drum screen 2 is rolled by the driving motor 14, so that the material inside the drum screen 2 can be fully screened. In the screening process, the outer shell 1 is shielded to prevent the sand from diffusing outward and causing a large amount of dust. The sand will diffuse downward or to both sides through the mesh of the drum screen 2. Through the shielding of the outer shell 1 and the guidance of the guide plate 13, the sand will fall to the bottom side of the outer shell 1, and the gravel will fall downward from the lower end of the drum screen 2 as the drum screen 2 rolls and the inclination angle of the drum screen 2. The gravel is guided by the guide plate 17 so that there is a certain distance between the falling position of the gravel and the outer shell 1, thereby reducing the situation where the gravel and sand are mixed again.
Claims
1. A construction sieve, comprising an outer shell (1) and a drive motor (14), characterized in that: The outer shell (1) is in an inclined state, and a feed port (11) is provided at the top of the outer shell (1), and a discharge port (12) is provided at the bottom of the outer shell (1). The inner cavity of the outer shell (1) is rotatably connected to a drum screen (2) via the drive motor (14), and the drum screen (2) is parallel to the outer shell (1). A guide plate 1 (13) is provided at the bottom of the outer shell (1), and a guide plate 2 (17) is provided at one end of the outer shell (1), and the guide plate 2 (17) corresponds to the position of one end of the drum screen (2).
2. A construction sieve according to claim 1, characterized in that: Connecting rods (18) are provided on both sides of the outer shell (1), and supporting columns (19) are provided at both ends of the connecting rod (18). The supporting columns (19) located at the two ends of the connecting rod (18) have different lengths.
3. A construction sieve according to claim 2, characterized in that: A support block (15) and a position limiting guide block (16) are provided on the inner wall of one end of the outer shell (1), and the drum screen (2) is slidably connected between the support block (15) and the position limiting guide block (16).
4. A construction sieve according to claim 3, characterized in that: The central axis positions of the drum screen (2) and the outer shell (1) are different, and the top of the drum screen (2) contacts the top of the inner cavity of the outer shell (1), and there are gaps between the bottom and both sides of the drum screen (2) and the outer shell (1).
5. A construction sieve according to claim 4, characterized in that: The drive motor (14) is fixedly connected to one end of the outer shell (1), a connecting plate (21) is provided on the inner side of one end of the drum screen (2), a connecting groove (22) is provided on the connecting plate (21), and the drive motor (14) is fixedly connected to the connecting groove (22).